Clean up call to builtin_translates_to_nonarray.
Clean up call to builtin_translates_to_nonarray.

get_decoration is better than poking in ir.meta manually.

KhronosGroup/SPIRV-Cross,KhronosGroup/SPIRV-Cross,KhronosGroup/SPIRV-Cross,KhronosGroup/SPIRV-Cross,KhronosGroup/SPIRV-Cross,KhronosGroup/SPIRV-Cross